Alister McGrath is a long-term critic of memetics. Here he is saying: show me the memes! McGrath is a crazy christian - and so doesn't seem worth very much energy. However, this sort of thing is part of the environment in which memetics exists.
From a lecture entitled "The Bankruptcy of Scientific Atheism" by Alister McGrath, PhD, critiquing Richard Dawkins "The God Delusion." This took place at ISCAST 2007 on the Vic Annual Lecture.